2489951515 has 8 divisors (see below), whose sum is σ = 2988741600. Its totient is φ = 1991428032.

The previous prime is 2489951489. The next prime is 2489951521. The reversal of 2489951515 is 5151599842.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2489951515 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45490 + ... + 83959.

It is an arithmetic number, because the mean of its divisors is an integer number (373592700).

Almost surely, 2^2489951515 is an apocalyptic number.

2489951515 is a deficient number, since it is larger than the sum of its proper divisors (498790085).

2489951515 is a wasteful number, since it uses less digits than its factorization.

2489951515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133301.

The product of its digits is 648000, while the sum is 49.

The square root of 2489951515 is about 49899.4139745148. The cubic root of 2489951515 is about 1355.3879809263.

The spelling of 2489951515 in words is "two billion, four hundred eighty-nine million, nine hundred fifty-one thousand, five hundred fifteen".